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What does href expression do?
... anything, and this was the easiest way he knew.
He probably has some javascript event code elsewhere which is triggered when the link is clicked, and that will be what he wants to actually happen, but he wants it to look like a normal <a> tag link.
Some developers use href='#' for the same ...
How to globally replace a forward slash in a JavaScript string?
How to globally replace a forward slash in a JavaScript string?
10 Answers
10
...
Check image width and height before upload with Javascript
..._URL.createObjectURL(file);
img.onload = function () {
alert(this.width + " " + this.height);
_URL.revokeObjectURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you realize this is only supported in a few...
How to create a JavaScript callback for knowing when an image is loaded?
... I guess it would only be an issue for parallel code, which most javascript probably isn't..
– Thomas Ahle
Jan 10 '17 at 21:20
4
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Remove Last Comma from a string
Using JavaScript, how can I remove the last comma, but only if the comma is the last character or if there is only white space after the comma? This is my code.
I got a working fiddle . But it has a bug.
...
Parse JSON String into a Particular Object Prototype in JavaScript
... for (var prop in obj) this[prop] = obj[prop];
}
var fooObj = new Foo();
alert(fooObj.test() ); //Prints 6
// INITIALISE A NEW FOO AND PASS THE PARSED JSON OBJECT TO IT
var fooJSON = new Foo(JSON.parse('{"a":4,"b":3}'));
alert(fooJSON.test() ); //Prints 12
...
Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
...
How to find keys of a hash?
I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys
9 Answers...
Get attribute name value of
...getAttribute("name");
My results:
jQuery: 300k operations / second
JavaScript: 11,000k operations / second
You can test for yourself here. The "plain JavaScript" vesion is over 35 times faster than the jQuery version.
Now, that's just for one operation, over time you will have more and more s...
How to set breakpoints in inline Javascript in Google Chrome?
...ike being able to set breakpoints both in js files and within html and javascript code is missing! I tried to use the javascript console, which itself is buggy - for example, once it encounters a JS error, I cannot get out of it unless I refresh the whole page. Can someone help?
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